Trump screams "gouged" over $3.92 gas and orders a DOJ probe, but Paul Krugman explains why prices fall like "feathers" ahead of midterms.

The president seems surprised that gas prices haven’t magically returned to normal.

The president complained that prices at the pump haven’t dropped sharply enough despite a sharp slump in crude prices since the Iran peace deal went into effect.

US President Donald Trump has ordered a Justice Department investigation into major oil companies, accusing them of keeping gasoline prices artificially high despite a recent fall…